A weep hole leak , or leak underneath the water pump , will indicate a water pump failure. There is no quick fix for this problem.
A new water pump replacement must be performed for this symptom, as there will be no remedy to stop this type of leak. Thought I had a failing water pump but turns out to only be a small leak at the heater core hose. Sealing a Water Pump Leak RVR2.
Chevrolet Silverado never ending water pump leak. Found a small drip from the weep hole in my water pump. Found out that the PO had filled it up with sealant.
About weeks ago I flushed the cooling system and took all the sealant out. Can K-Seal Fix My Water Pump? If you want to avoid expensive mechanic bills but don’t have the technical knowledge or experience needed to resolve a leaking water pump in any other way, K-Seal is the option for you – it can fix most leaks in the water pump casing and in the seals.
Give it a try for a fast fix. Find out how to replace them with our water pump repair guide. If your water pump leaks you need to check the seals, they might be worn out or faulty. How To Fix a Coolant Leak ?